Sink faucet



FIG. 1 is a right side elevational view of a sink faucet showing my newdesign, the left side being a mirror image of the right side shown;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view of a modified form of the sink faucet shown inFIG. 1;

FIG. 6 is a top plan view of a second modified form of the sink faucetshown in FIG. 1; and

FIG. 7 is a top plan view of a third modified form of the sink faucetshown in FIG. 1.

The ornamental design for a sink faucet, substantially as shown anddescribed.